Learn how to say Roles correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word role:
an actor’s part in a play, film, etc.:
Dietrich’s role as a wife in war-torn Paris
the function assumed or part played by a person or thing in a particular situation:
the equipment will play a vital role in the fight against cancer
early 17th century: from obsolete French roule ‘roll’, referring originally to the roll of paper on which the actor’s part was written
Do not confuse role with roll. Role means ‘a part played by an actor’ (he was known for TV roles), whereas roll mainly means ‘move by turning over and over’ or ‘a rolling movement’ (a roll of the dice).